OpenPuff Steganography Tutorial | Hide and Unhide secret file

1. Use your web browser to go to embeddedsw.net/OpenPuff_Steganography_Home .html. 2. Click Manual to open the OpenPuff manual. Save this file to your computer. Read through the manual to see the different features available. 3. Click OpenPuff to download the program. 4. Click Screenshot to view a screen capture of OpenPuff. Right-click on this image and save this image OpenPuff_Screenshot.jpg to your computer. This will be the carrier file that will contain the secret message. 5. Navigate to the location of the download and uncompress the Zip file on your computer. 6. Now create the secret message to be hidden. Open Notepad and enter This is a secret message. 7. Save this file as Message.txt and close Notepad. 8. Create a Zip file from the Message file. Navigate to the location of this file through Windows Explorer and click the right mouse button. 9. Click Send to and select Compressed (zipped) folder to create the Zip file. Note It is not unusual for websites to change the location of where files are stored. If the URL above no longer functions, open a search engine and search for “OpenPuff”. Note For added security OpenPuff allows a message to be spread across several carrier files. 10. Navigate to the OpenPuff directory and double-click OpenPuff.exe. 11. Click Hide. Note Under Bit selection options, note the wide variety of file types that can be used to hide a message. 12. Under (1) create three unrelated passwords and enter them into Cryptography (A), (B), and (C). Be sure that the Scrambling (C) password is long enough to turn the Password check bar from red to green. 13. Under (2) locate the message to be hidden. Click Browse and navigate to the file Message.zip. Click Open. 14. Under (3) select the carrier file. Click Add and navigate to OpenPuff_Screenshot.jpg as shown in Figure 3-11. 15. Click Hide Data! 16. Navigate to a different location than that of the carrier files and click OK. 17. After the processing has completed, navigate to the location of the carrier file that contains the message and open the file. Can you detect anything different with the file now that it contains the message? Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203 18. Now uncover the message. Close the OpenPuff Data Hiding screen to return to the main menu. 19. Click Unhide. 20. Enter the three passwords. 21. Click Add Carriers and navigate to the location of Carrier1 that contains the hidden message. 22. Click Unhide! and navigate to a location to deposit the hidden message. When it has finished processing click OK. 23. Click Done after reading the report. 24. Go to that location and you will see Message.zip. 25. Close OpenPuff and close all windows.